Two things to check:
1) You have a hidden field on your application form which stores the
application id. If not there Hibernate will save a new application every
time....
2) Cascade is set to at least "save-update" for the relationship to place.
Mike.
On 8/16/07, syg6 <[EMAIL PROTECTED]> wrote:
>
>
> Asnwered my own damn question, didn't I? That's what happens when you
> spend
> 20 minutes typing up a question for a mailing list ... :)
>
> What I was missing: in the initBinder() method, instead of
>
> binder.registerCustomEditor(Place.class, ppe);
>
> it should be:
>
> binder.registerCustomEditor(Place.class, "places", ppe);
>
> I guess if you don't specify which field of the Object you wish to bind
> to,
> it tries to bind to all of them, or the entire Object. Nope, that won't
> work.
>
> Anyway, so it seems to be working in so much that if I choose 3 Places in
> the multi-select, in my ApplicationController, after casting my command
> Object:
>
> Application application = (Application) command;
>
> application.getPlaces() lists all 3. If I only select 2, it lists two. BUT
> it's not saving! All other fields get updated but not Places. The
> applicationplaces table still has the data from the sample-data.xml.
>
> Something fishy is definitely going on because in my applicationlist.jsp,
> If
> I associate 2 Places with an Application (using sample-data.xml), that
> Application shows up twice in the list of Applications. If I assign 3
> Places, it shows up 3 times. Hmmm ...
>
> I already listed my mapping for Application. I don't have a mapping for
> Place because I don't need to know which Application a Place is assigned
> to.
>
> Is my mapping somehow wrong? Could that be messing up the save and the
> list?
>
> Thanks,
> Bob
>
>
> syg6 wrote:
> >
> > Hello all.
> >
> > I am using Appfuse M5, Spring MVC + Hibernate. I have an object,
> > Application, that as a 1-many relationship with Place. The Application
> > Pojo looks like this:
> >
> > private Set<Place> places;
> >
> > @OneToMany (fetch = FetchType.EAGER)
> > @JoinTable(
> > name="applicationplace",
> > joinColumns = { @JoinColumn( name="idApplication") },
> > inverseJoinColumns = @JoinColumn( name="idPlace")
> > )
> > public Set<Place> getPlaces(){
> > return places;
> > }
> >
> > In the database I have 3 tables:
> >
> > Application
> > Place
> > ApplicationPlace
> >
> > When I create a Application I can assign 0-n Places to that Application.
> > When I save the Application I have to use a Custom Property Editor to
> tell
> > Spring how to convert each id in the Places multiple-Select into a Place
> > object, so a reference to it can be saved in the ApplicationPlace table.
> >
> > So far so good. I created a PlacePropertyEditor which looks like this:
> >
> > public class PlacePropertyEditor extends PropertyEditorSupport
> > {
> > private GenericManager<Place, Long> placeManager = null;
> >
> > public void setPlaceManager(GenericManager<Place, Long> placeManager)
> {
> > this.placeManager = placeManager;
> > }
> >
> > public void setAsText(String id) {
> > Place place = placeManager.get(new Long(id));
> > setValue(place);
> > }
> > }
> >
> > In my ApplicationFormController I have a setPlaceManager() method and it
> > is properly wired in my dispatcher-servlet.xml. Also in
> > ApplicationFormController I have overrided initBinder:
> >
> > protected void initBinder(HttpServletRequest request,
> > ServletRequestDataBinder binder)
> > {
> > PlacePropertyEditor ppe = new PlacePropertyEditor();
> > ppe.setPlaceManager(placeManager);
> > binder.registerCustomEditor(Place.class, ppe);
> > }
> >
> > But when I run testSave() in ApplicationFormControllerTest it fails.
> >
> > public void testSave() throws Exception
> > {
> > MockHttpServletRequest request = newGet("/applicationform.html");
> > request.addParameter("id", "1");
> >
> > ModelAndView mv = c.handleRequest(request, new
> > MockHttpServletResponse());
> >
> > Application application = (Application)
> > mv.getModel().get(c.getCommandName());
> > assertNotNull(application);
> >
> > request = newPost("/applicationform.html");
> > super.objectToRequestParameters(application, request);
> > request.addParameter("applicationCode", "updated application code");
> >
> > //request.addParameter("places", "1");
> >
> > mv = c.handleRequest(request, new MockHttpServletResponse());
> >
> > Errors errors = (Errors)
> > mv.getModel().get(BindException.MODEL_KEY_PREFIX + "application");
> > assertNull(errors);
> > assertNotNull(request.getSession().getAttribute("successMessages"));
> > }
> >
> > The line that fails is assertNull(errors); If I comment out the Custom
> > Property Editor it works. (But in the web page, without a Custom
> Property
> > Editor I get the typical error that I can't covert a Set to String) I
> have
> > tried adding request.addParameter("places", "1") to see if it was
> failing
> > because no idPlace was being sent in the request, but it fails either
> way.
> >
> > It seems I am missing a step when defining my Custom Property Editor. Do
> I
> > need to wire my PlacePropertyEditor in the application-context.xml?
> > According to Chapter 5 of the Spring 2.0 Reference Manual I do. But I
> > don't see that Appfuse does this with its Custom Property Editors;
> > BaseFormController's initBinder() method registers Custom Property
> Editors
> > for Integer, Long, byte[] and Date but they aren't wired anywhere.
> >
> > I am not sure exactly what is failing. I've tried putting log.debug()
> > statements in the code but they don't appear in the console or in my
> > surefire reports.
> >
> > Anyone have an idea as to what I might be doing wrong?
> >
> > Thanks,
> > Bob
> >
>
> --
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